From the Louisiana Purchase to the Oregon Trail: America's

The Frontier Era is one of the most important and fascinating periods in American history. This period, which lasted from roughly 1800 to 1890, was marked by westward expansion and the settlement of the American frontier.

My take on dividing the US into regions along historical lines [OC

America's Louisiana Purchase Louisiana Public Broadcasting

13.6 Boundary Disputes and Manifest Destiny – Canadian History

The Louisiana Purchase of 1803 History, Importance & Conflicts

Oregon Trail Facts: Lesson for Kids - Lesson

America's Louisiana Purchase Louisiana Public Broadcasting

Origins of the Oregon Trail - The Archway

Oregon Acquisition

Oregon Acquisition

From the Louisiana Purchase to the Oregon Trail: America's

From the Louisiana Purchase to the Oregon Trail: America's

The Oregon Trail: A New American Journey eBook : Buck, Rinker

Oregon Trail - The Walk to Westward Expansion